jacquelinetorres891
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  • 22-03-2019
  • Mathematics
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  • 22-03-2019

(2b^3 -7b^2) + (3b^2 + 3b^3) =

2b^3 + 3b^3 -7b^2 + 3b^2=

5b^3 -4b^2

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